Finding the Fourth Proportional to 3,452,619,629.97, 4,764,606,127.74 and 1,926,691,770.37
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Solution
The fourth proportional to 3,452,619,629.97, 4,764,606,127.74 and 1,926,691,770.37 is: 2,658,829,642.19
Step by Step Solution
- Step 1: Write the proportion equation
3,452,619,629.97 : 4,764,606,127.74 = 1,926,691,770.37 : x - Step 2: Convert to fraction form
3,452,619,629.97/4,764,606,127.74 = 1,926,691,770.37/x - Step 3: Cross multiply
3,452,619,629.97x = 4,764,606,127.74 × 1,926,691,770.37 - Step 4: Simplify right side
3,452,619,629.97x = 9,179,927,415,367,794,688 - Step 5: Solve for x
x = 9,179,927,415,367,794,688/3,452,619,629.97 - Step 6: Final answer
x = 2,658,829,642.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.